20335242530 has 8 divisors (see below), whose sum is σ = 36603436572. Its totient is φ = 8134097008.

The previous prime is 20335242523. The next prime is 20335242533. The reversal of 20335242530 is 3524253302.

It can be written as a sum of positive squares in 2 ways, for example, as 20141002561 + 194239969 = 141919^2 + 13937^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20335242493 and 20335242502.

It is not an unprimeable number, because it can be changed into a prime (20335242533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1016762117 + ... + 1016762136.

Almost surely, 2^20335242530 is an apocalyptic number.

20335242530 is a deficient number, since it is larger than the sum of its proper divisors (16268194042).

20335242530 is a wasteful number, since it uses less digits than its factorization.

20335242530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2033524260.

The product of its (nonzero) digits is 21600, while the sum is 29.

Adding to 20335242530 its reverse (3524253302), we get a palindrome (23859495832).

The spelling of 20335242530 in words is "twenty billion, three hundred thirty-five million, two hundred forty-two thousand, five hundred thirty".